Patrick Mills has signed on to play another season with the San Antonio Spurs in the NBA.

The Australian point guard made headlines for his inventive towel waving from the bench rather than his play in the Spurs' recent loss to the Miami Heat in the NBA Finals, but he decided to exercise an option he had in his contract to play another season alongside veteran All-Stars Tim Duncan and Tony Parker.

Mills will be paid $US1.1 million ($A1.20 million) for the 2013/14 season.

He's made no secret in the past of his desire to stay with the Spurs.

"I absolutely love this place," he told AAP earlier this month.

"Everyone here knows that. I love my teammates.

"The organisation is one of the best in sports worldwide and San Antonio is really laid-back."

Originally drafted by the Portland Trail Blazers with the 55th overall pick in the 2009 NBA Draft, he was signed by the Spurs in 2012.

In 74 games with the Spurs, Mills has averaged 6.2 points, 1.4 assists and 1.1 rebounds in 12.4 minutes.

In his final two games of the 2011-12 regular season Mills set personal career-highs for points and assists.

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